Deleted
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Posts: 0
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Post by Deleted on May 24, 2012 22:55:21 GMT -5
Im losing horse power in my scooter an it only comes back for a short time an gets me up to top speed but the it goes away its a four stroke qmb 139 gy6 50cc an I reallly need help in figuring whats wrong please help is it hard to start? has it ever had a valve adjustment? does it have a sealed carburetor? how many miles on this engine? |
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Post by larry001964 on May 25, 2012 6:28:51 GMT -5
I never liked. .004 or larger for me they chatter too much. Both intake and exhaust on mine are .003
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Post by maconboi on May 25, 2012 17:58:44 GMT -5
probably just bad gas.
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Post by dnc1986 on Jun 17, 2012 11:58:07 GMT -5
where are the valves located on the scooter?
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Post by 90GTVert on Jun 17, 2012 21:42:16 GMT -5
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Post by ackaron on Jun 20, 2012 7:40:53 GMT -5
Recently had valve trouble with mine as well. .004 for both in/out seems to be the perfect setting.
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Post by butler61 on Jun 30, 2012 6:30:45 GMT -5
wats the compression supposed to be on taotao 49cc
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